[Q] Trying to install Xperia Play Z final version, very confused. (r800a)

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http://forum.xda-developers.com – Hey guys, as the post title says, I'm trying to install the xperia play z rom, and I'm hitting a lot of road blocks. First one is, I don't even know if my phone's bootloader is unlocked! I'm pretty sure it is, because I thought all r800a's came with an unlocked bootloader, and I also used the flashtool, unlock bootloader tool, and it said it was already unlocked. So, naturally what I do, is I flash the firmware in the guide (located here - http://www.android-hilfe.de/root-cus...-v1-1-0-a.html), and after that I want to root it so I can install a recovery. But when I try to root it, it alway (HowTos)